html,
body {
  height: 100%;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul {
  list-style: none;
}
.top {
  height: 50px;
  background-color: #001529;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  z-index: 2;
}
.container {
  padding-left: 15vw;
}
.container .left {
  width: 200px;
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  padding-top: 50px;
  background-color: #fff;
  box-shadow: 2px 0 8px 0 rgba(29, 35, 41, 0.05);
}
.container .main {
  background-color: #def6ff;
  padding: 20px;
  min-height: calc(100vh - 50px);
}
